<template>

  <!-- 轮播图区域 -->
  <view>
    <!-- 使用自定义的搜索组件 -->
    <view class="search-box">
      <my-search @clickInput="gotoSearch"></my-search>
    </view>
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,i) in swiperList" :key='i'>
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>

    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,i) in navList" :key="i" @click="handleNavgo(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>

    <!-- 楼层区域 -->
    <view class="floor-list">
      <!-- 楼层item项 -->
      <view class="floor-item" v-for="(item,i) in floorList" :key='i'>
        <!-- 楼层标题 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层的图片区域 -->
        <view class="floor-img-box">
          <!-- 左边的盒子 图片的mode属性宽度自适应-->
          <navigator :url="item.product_list[0].url" class="left-img-box">
            <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width+'rpx'}"
              mode="widthFix"></image>
          </navigator>
          <!-- 右边的盒子 -->
          <view class="right-img-box">
            <navigator :url="item2.url" class="right-img-item" v-for="(item2,i2) in item.product_list" :key='i2'
              v-if="i2!==0">
              <image :src="item2.image_src" :style="{width:item2.image_width+'rpx'}" mode="widthFix"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  // 导入自己封装的 mixin 模块
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    // 将 badgeMix 混入到当前的页面中进行使用
    mixins: [badgeMix],
    data() {
      return {
        // 轮播图数据列表
        swiperList: [],
        // 分类导航数据列表
        navList: [],
        // 获取楼层数据
        floorList: []
      };
    },
    onLoad() {
      this.getswiperList()
      this.getnavList()
      this.getfloorList()
    },
    methods: {
      async getswiperList() {
        const {
          data
        } = await uni.$http.get('/api/public/v1/home/swiperdata')
        // 请求失败
        if (data.meta.status !== 200) return uni.$showMsg()
        this.swiperList = data.message
      },
      async getnavList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/catitems')
        // 请求失败
        if (res.meta.status !== 200) return uni.$showMsg()
        this.navList = res.message
      },
      async getfloorList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/floordata')
        // 请求失败
        if (res.meta.status !== 200) return uni.$showMsg()
        // 赋值之前做处理，加一层url
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
      },
      // 点击跳转对应的页面
      handleNavgo(item) {
        if (item.name = '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      // 跳转到搜索页面
      gotoSearch() {
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      }
    },
  }
</script>

<style lang="scss">
  swiper {
    height: 330rpx;

    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }

  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 15rpx 0;

    .nav-img {
      width: 128rpx;
      height: 140rpx;
    }
  }

  .floor-title {
    height: 60rpx;
    width: 100%;
  }

  .right-img-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }

  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }

  .search-box {
    // 设置定位效果为“吸顶”
    position: sticky;
    // 吸顶的“位置”
    top: 0;
    // 提高层级，防止被轮播图覆盖
    z-index: 999;
  }
</style>
